A travel expert has warned holidaymakers that a simple mistake when booking flights could lead to denied boarding or unexpected fees

Booking a holiday might feel straightforward, but experts are warning that one small detail many travellers overlook could end up costing them money or even having the entire trip cancelled.

With millions of passengers set to head abroad this summer, travel specialists say a surprisingly common mistake when entering personal details is still causing major issues at airports. In some cases, it can lead to denied boarding, unexpected fees or last-minute panic before a flight.

Chris Harrington, Travel Expert and Managing Director of airport transfers company hoppa, has explained why getting your booking details exactly right is so important and how even a minor error can create serious complications often leading to a hefty fine.

He stated: “One of the most important rules for air travel is that your booking details must match the information that’s on your passport. This is for many reasons, but mainly because airlines and border control use this information for security purposes, identity checks and immigration processing.

He explains that airlines such as Jet2 have a hefty fine for incorrect information, saying: “Any small discrepancy poses a real threat of derailing your trip and facing you with a potential fine, with airlines such as Jet2 charging as much as £150 for a name change if conducted 14 days or less before departure.”

Chris reveals that the issue often arises from simple mistakes such as typing errors, missing middle names or using nicknames instead of legal names. While these may seem minor, airline systems are designed to flag anything that doesn’t match official travel documents exactly.

He explains that one of the biggest risks is simply not being allowed to board at all if there is any mismatch between documents.

“There’s a risk your trip could be over before it’s even started if this information isn’t correct. If the name on your ticket doesn’t match your passport, there’s every chance you won’t make it onto the plane,” says Chris.

“Airlines can refuse entry if there’s a mismatch between your ticket and passport name, and this is of particular importance on international routes where your documentation must align with their immigration policies. This may mean you can’t receive a boarding pass or check in online in the first place.”

He adds that passengers often underestimate how early these checks happen in the journey process. “There’s a very real possibility airlines can and will deny boarding if your documents aren’t aligned. If you haven’t solved any discrepancies in advance of your flight, it’s very likely you’ll be denied flying altogether.

“Even in the rare case that you were able to travel, any mismatched details are almost definitely going to be addressed at border control, as passenger details are shared with the authorities before your arrival.”

For many travellers, the real shock comes when they realise how expensive even small corrections can be. Although the fees depends on each airline’s specific rules and timing policies, most of these can be checked on the airlines official website.

Chris revealed that a small spelling mistake can often be corrected for a small fee. However anything bigger mistakes, such as ” a change of maiden name to married name” can result in a cancellation or needing to rebook your ticket, which is usually a much more expensive fee.

He added: “Budget airlines in particular are more likely to add significant charges for any name changes if they’re made close to departure, so this is something to keep in mind when booking with a cheaper airline.”

The expert also warns that nicknames often catch people out and emphasises the importance of using your full legal name.

Chris explained: “For example, using ‘Alex’ as opposed to ‘Alexander’, or if you skip adding your middle name, can be flagged, especially if it’s an international booking. Some minor discrepancies may be tolerated, but anything that amends your core identity, such as your first or last name, will almost definitely mean being denied boarding.”

The expert went on to give his advice for travellers to make sure they avoid costly mistakes in the first place. He stated: “My advice is to always follow the safest approach, and that is to book your travel using the exact name that’s on your passport, down to every single letter.

“If you’ve recently married and changed your surname, be sure to have your passport amended before booking a flight.”

Chris added: “If you do spot a mistake (and sometimes these happen!), I would suggest contacting the airline immediately. The sooner you act, the more likely it is that the matter can be resolved cheaply or for free and potentially bypass any hefty charges that you would experience on the day of the flight.

Leaving it until the last minute can turn a small error into a very expensive problem.”



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